The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2022
Filed:
Oct. 11, 2019
Applicant:
Constantia Pirk Gmbh & Co. KG, Pirk, DE;
Inventors:
Assignee:
Constantia Pirk GmbH & Co. KG, Pirk, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B29C 48/18 (2019.01); B32B 27/18 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 38/06 (2006.01); C08L 23/06 (2006.01); C08L 23/14 (2006.01); C08L 53/00 (2006.01); B32B 7/12 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B29C 48/18 (2019.02); B32B 27/18 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 38/06 (2013.01); C08L 23/06 (2013.01); C08L 23/14 (2013.01); C08L 53/00 (2013.01); B32B 7/12 (2013.01); B32B 2307/31 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7248 (2013.01); B32B 2307/732 (2013.01); B32B 2307/75 (2013.01); B32B 2439/70 (2013.01); C08L 2203/162 (2013.01); C08L 2205/02 (2013.01); C08L 2205/24 (2013.01); C08L 2207/02 (2013.01); C08L 2207/062 (2013.01);
Abstract
The present teaching concerns a recyclable co-extruded PE packaging film with a first laminate layer of at least 60 vol % HDPE and a second laminate layer of a hetero-phase polypropylene block copolymer with a polyethylene content of 5-30 wt. % and a melting point higher than 155° C., preferably higher than 160°, the thickness of the second laminate layer being less than 5 μm.